Inventor · disambiguated record
Yoshikuni Ishikawa
Also filed as: ISHIKAWA YOSHIKUNI
25 granted patents·101 citations·filing 2006–2016
94Inventor score
Top patents by PatentIndex Score
25 records- 0194US7621519B2Sheet conveying apparatus, image reading apparatus, and image forming apparatusRICOH KK·Filed 2006·Granted Nov 24, 2009·22 cites·12 claims
- 0291US7708276B2Sheet conveying path switching device used in image forming apparatus, and sheet conveying deviceRICOH KK·Filed 2007·Granted May 4, 2010·13 cites·19 claims
- 0390US8480073B1Sheet feeder and image forming apparatus incorporating sameISHIKAWA YOSHIKUNI·Filed 2011·Granted Jul 9, 2013·9 cites·13 claims
- 0490US8342507B2Sheet conveying device and image forming apparatusRICOH CO LTD·Filed 2011·Granted Jan 1, 2013·8 cites·4 claims
- 0589US8267394B2Sheet feeding device and image forming apparatus incorporating sameHIGAKI HIDETO·Filed 2011·Granted Sep 18, 2012·8 cites·9 claims
- 0688US9004482B2Sheet conveyor and image forming apparatus incorporating sameISHIKAWA YOSHIKUNI·Filed 2013·Granted Apr 14, 2015·6 cites·13 claims
- 0786US8177217B2Sheet feeding device and image forming apparatus incorporating sameTAKAHASHI TOSHIAKI·Filed 2010·Granted May 15, 2012·6 cites·14 claims
- 0884US7992858B2Sheet conveying apparatus, image scanning apparatus, and image forming apparatusRICOH CO LTD·Filed 2007·Granted Aug 9, 2011·9 cites·17 claims
- 0982US8532557B2Attachment assist device and image forming apparatus including sameKUSUMI TADASHI·Filed 2010·Granted Sep 10, 2013·6 cites·15 claims
- 1076US8474811B2Sheet feeding device and image forming apparatus incorporating sameTAKAHASHI TOSHIAKI·Filed 2012·Granted Jul 2, 2013·3 cites·5 claims
- 1173US8752955B2Inkjet printerKOBAYASHI SHUN·Filed 2012·Granted Jun 17, 2014·2 cites·13 claims
- 1272US8857809B2Sheet separation/conveyance device and image forming apparatus incorporating sameTOYOOKA TSUGUNAO·Filed 2013·Granted Oct 14, 2014·3 cites·6 claims
- 1368US8523170B2Sheet feeder and image forming apparatus incorporating sameNISHIDA HAJIME·Filed 2011·Granted Sep 3, 2013·2 cites·5 claims
- 1460US8746675B2Sheet feeder and image forming apparatus incorporating sameNISHIDA HAJIME·Filed 2013·Granted Jun 10, 2014·1 cites·6 claims
- 1559US8585040B2Sheet feeder and image forming apparatus using the sameIKEDA AKI·Filed 2012·Granted Nov 19, 2013·2 cites·10 claims
- 1655US8944708B2Sheet conveying device, and image forming apparatus including sameWATASE HIROYUKI·Filed 2007·Granted Feb 3, 2015·1 cites·21 claims
- 1752US9290341B2Sheet conveyor and image forming apparatus incorporating sameISHIKAWA YOSHIKUNI·Filed 2015·Granted Mar 22, 2016·0 cites·9 claims
- 1849US10124970B2Sheet feeder and image forming apparatus incorporating sameISHIKAWA YOSHIKUNI·Filed 2016·Granted Nov 13, 2018·0 cites·15 claims
- 1949US9302868B2Sheet feeder and image forming apparatus incorporating sameISHIKAWA YOSHIKUNI·Filed 2014·Granted Apr 5, 2016·0 cites·22 claims
- 2049US8628074B2Sheet feeding device and image forming apparatus incorporating sameHIGAKI HIDETO·Filed 2012·Granted Jan 14, 2014·0 cites·9 claims
- 2145US8424865B2Sheet feeding device and image forming apparatus incorporating sameEGUCHI YOSUKE·Filed 2011·Granted Apr 23, 2013·0 cites·12 claims
- 2243US8573586B2Sheet feeder and image forming apparatusKOBAYASHI SHUN·Filed 2012·Granted Nov 5, 2013·0 cites·19 claims
- 2343US8439347B2Sheet conveying device and image forming apparatusISHIKAWA YOSHIKUNI·Filed 2011·Granted May 14, 2013·0 cites·17 claims
- 2442US8511668B2Sheet feeding device and image forming apparatus incorporating sameISHIKAWA YOSHIKUNI·Filed 2010·Granted Aug 20, 2013·0 cites·20 claims
- 2539US8774699B2Sheet feeder and image forming apparatusKOBAYASHI SHUN·Filed 2012·Granted Jul 8, 2014·0 cites·13 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →